Biodiversitas Alga 2 Flashcards

1
Q

Kelompok Alga Archaeplastida

A

Alga merah dan alga hijau

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2
Q

Struktur kloroplas Rhodophyta
1. … membrane pembungkus –
tanpa …
2.Tilakoid … – butir butir
fikobilisom di …

A
  1. 2, REC
  2. tersebar, permukaan
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3
Q

Pigmen fotosintesis Rhodophyta
* Pigmen utama – …
* Pigmen tambahan – …

A
  1. klorofil a
  2. fikobilin
    (fikoeritrin, fikosianin,
    allofikosianin)
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4
Q

Ciri umum - simpanan produk karbohidrat Rhodophyta
1. … (polimer a-1,4 glukan)
2. Terdapat di

A
  1. Pati floridean
  2. Sitoplasma
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5
Q

Ciri umum - dinding sel Rhodophyta
Komponen utama
* Mikrofibril berfungsi sebagai … -
selulosa, xylan & mannan (pada beberapa genera)
* … berupa matriks lendir polisakarida
(mucopolysaccharide) - agar (agarose) & carrageenan
* Fungsi: …

A
  1. struktur penyokong
  2. Fikokoloid
  3. elastisitas, fleksibilitas, mencegah kekeringan,
    osmoregulasi (pertukaran ion)
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6
Q
A
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